Coreolan

Fist Meet Ground Kill 100 Aliens with the Death From Above Super Power.

Rip and Tear Glory Kill all common enemy types in the campaign.

Argent Overload Fully upgrade Health, Armor, or Ammo capacity

Brute Force Kill a Brute

Munchkin Reach character development level 35.

Elven Hero You defeated the Grand Wizard Cartman in battle.

Experimental Tech Kill 25 Aliens with each: Dubstep, InflatoRay, Bounce Gun, Disintegrator, Abduction, and Black Hole.

The Seven Deadly Weapons Kill 25 Demons with each of the Seven Deadly Weapons

Mechani-Cool Unlock 10 Vehicle Parts via hijacking.
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Just Saying Hi You've farted on every buddy in the game.

Hush, Hush Now Quiet a Screamer

An Old Friend Acquire the BFG

Friends in Strange Places You befriended both crab people and gnomes.

Skeet Shoot In the Main Campaign, killed 5 enemies while they are falling.

Card Sharp Find all of the Wanted posters.

Fourth and Forty Spend over 40 hours in the Simulation.

Too Big to Fail Destroy the Jamming Tower. Complete "Black Tuesday" on any difficulty.

Making Faces Show the outside world that you're still alive

It's all fire and death now... Witness the zeppelin crash

Merchant Collect 8 schematics

IPXSETUP.EXE Win a Multiplayer match

On the Fly In the Main Campaign, killed 30 enemies while riding a Sky-Line.

Cannon Fodder Complete Chapter 4 on any difficulty setting

Specialist Earn the Mastery for a weapon mod

Too Far You farted on the corpse of an aborted Nazi Zombie fetus.

Through Mud and Blood Complete Through Mud and Blood

Perverted You watched your parents have sex for 60 seconds.

Plague of Gat Kill 1000 Demons with any combination of Supernatural Powers

Shoot it Until it Dies Defeat the Cyberdemon

Thorough Shopper Complete all Challenges for a single mission.

Kaer Morhen Trained Perform 10 effective counterattacks in a row without getting hit or parrying.

Platinum Trophy Unlocked when all trophies collected.

Tied loose end Deal with Tahir

Bon Voyage In the Main Campaign, killed 20 enemies by knocking them off Columbia.

All Too Easy Kill Zinyak in less than 5 minutes in 'Save the Planet'.

Combat tested, Doomguy approved Reach Level 5 in Multiplayer

Wet Work Take back New York Harbor. Complete "Hunter Killer" on any difficulty.

Story Teller Collect 75 Logs

My Name Is Earl Buy 20 cosmetic items from Crazy Earl.
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True Believer Complete Chapter 5 on any difficulty setting

I Am Become Death Kill 1000 Aliens with any combination of Super Powers.

Vertigo Activate the Amplifier

Outnumbered? No Problem Defeat the Hell Guards

Twenty-Twenty Vision Spend over 20 hours in Hell

Now You Can Come In Find Camden

Surgeon Dismember 500 Limbs

Carpe Diem Escape the mountain safe house. Complete "Persona Non Grata" on any difficulty.

Pulling Mud In three separate battles, you've taken a shit in your pants.

Mind Over Matter In the Main Campaign, killed 20 enemies using Possessed machines.

Greenhouse Effect Complete Chapter 6 on any difficulty setting